diff --git a/arch/sim/src/Makefile b/arch/sim/src/Makefile
index a58013f8b3b..c803ee8982b 100644
--- a/arch/sim/src/Makefile
+++ b/arch/sim/src/Makefile
@@ -66,6 +66,10 @@ CSRCS += sim_exit.c sim_schedulesigaction.c sim_switchcontext.c sim_heap.c
 CSRCS += sim_uart.c sim_copyfullstate.c sim_sigdeliver.c
 CSRCS += sim_registerdump.c sim_saveusercontext.c sim_textheap.c
 
+ifeq ($(CONFIG_DEBUG_TCBINFO),y)
+CSRCS += sim_tcbinfo.c
+endif
+
 ifeq ($(CONFIG_SCHED_BACKTRACE),y)
 CSRCS += sim_backtrace.c
 endif
diff --git a/arch/sim/src/sim/sim_tcbinfo.c b/arch/sim/src/sim/sim_tcbinfo.c
new file mode 100644
index 00000000000..fb3689ad325
--- /dev/null
+++ b/arch/sim/src/sim/sim_tcbinfo.c
@@ -0,0 +1,108 @@
+/****************************************************************************
+ * arch/sim/src/sim/sim_tcbinfo.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#ifdef CONFIG_DEBUG_TCBINFO
+
+#include <nuttx/sched.h>
+#include <arch/irq.h>
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+#if defined(CONFIG_HOST_X86_64) && !defined(CONFIG_SIM_M32)
+static const uint16_t g_reg_offs[] =
+{
+  UINT16_MAX,            /* RAX */
+  TCB_REG_OFF(JB_RBX),   /* RBX */
+  UINT16_MAX,            /* RCX */
+  UINT16_MAX,            /* RDX */
+  UINT16_MAX,            /* RSI */
+  UINT16_MAX,            /* RDI */
+  TCB_REG_OFF(JB_RBP),   /* RBP */
+  TCB_REG_OFF(JB_RSP),   /* RSP */
+  UINT16_MAX,            /* R8 */
+  UINT16_MAX,            /* R9 */
+  UINT16_MAX,            /* R10 */
+  UINT16_MAX,            /* R11 */
+  TCB_REG_OFF(JB_R12),   /* R12 */
+  TCB_REG_OFF(JB_R13),   /* R13 */
+  TCB_REG_OFF(JB_R15),   /* R14 */
+  TCB_REG_OFF(JB_R15),   /* R15 */
+  TCB_REG_OFF(JB_RIP),   /* RIP */
+  UINT16_MAX,            /* EFLAGS */
+  UINT16_MAX,            /* CS */
+  UINT16_MAX,            /* SS */
+  UINT16_MAX,            /* DS */
+  UINT16_MAX,            /* ES */
+  UINT16_MAX,            /* FS */
+};
+#elif defined(CONFIG_HOST_X86) || defined(CONFIG_SIM_M32)
+static const uint16_t g_reg_offs[] =
+{
+  UINT16_MAX,            /* RAX */
+  UINT16_MAX,            /* RCX */
+  UINT16_MAX,            /* RDX */
+  TCB_REG_OFF(JB_EBX),   /* RBX */
+  TCB_REG_OFF(JB_ESP),   /* ESP */
+  UINT16_MAX,            /* EBP */
+  TCB_REG_OFF(JB_ESI),   /* ESI */
+  TCB_REG_OFF(JB_EDI),   /* EDI */
+  TCB_REG_OFF(JB_EIP),   /* EIP */
+  UINT16_MAX,            /* EFLAGS */
+  UINT16_MAX,            /* CS */
+  UINT16_MAX,            /* SS */
+  UINT16_MAX,            /* DS */
+  UINT16_MAX,            /* ES */
+  UINT16_MAX,            /* FS */
+};
+#endif
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+const struct tcbinfo_s g_tcbinfo =
+{
+  .pid_off        = TCB_PID_OFF,
+  .state_off      = TCB_STATE_OFF,
+  .pri_off        = TCB_PRI_OFF,
+  .name_off       = TCB_NAME_OFF,
+  .stack_off      = TCB_STACK_OFF,
+  .stack_size_off = TCB_STACK_SIZE_OFF,
+  .regs_off       = TCB_REGS_OFF,
+  .basic_num      = sizeof(g_reg_offs) / sizeof(g_reg_offs[0]),
+  .total_num      = sizeof(g_reg_offs) / sizeof(g_reg_offs[0]),
+  {
+    .p = g_reg_offs,
+  },
+};
+
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/